<!DOCTYPE html>
<html>
    <body>
        <style>
        div {
            position: absolute;
            width: 100px;
            height: 100px;
            background: green;
            border-right: 10px blue solid;
            border-bottom: 10px blue solid;
        }
        </style>

        <div> </div>
        <div style="left: 150px;"> </div>
    </body>
</html>
